CVE-2021-21143

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension.

References

https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop.html

https://crbug.com/1163504

https://lists.fedoraproject.org/archives/list/[email protected]/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/

https://lists.fedoraproject.org/archives/list/[email protected]/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/

https://security.gentoo.org/glsa/202104-08

Details

Source: MITRE

Published: 2021-02-09

Updated: 2021-05-01

Type: CWE-787

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH

Tenable Plugins

View all (9 total)

IDNameProductFamilySeverity
149223GLSA-202104-08 : Chromium, Google Chrome: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
146559Fedora 32 : chromium (2021-7fb30b9381)NessusFedora Local Security Checks
high
146363Fedora 33 : chromium (2021-05afa65d39)NessusFedora Local Security Checks
high
146207Microsoft Edge (Chromium) < 88.0.705.62 Multiple VulnerabilitiesNessusWindows
critical
146320openSUSE Security Update : chromium (openSUSE-2021-259)NessusSuSE Local Security Checks
critical
146318Debian DSA-4846-1 : chromium - security updateNessusDebian Local Security Checks
high
146166FreeBSD : www/chromium -- multiple vulnerabilities (479fdfda-6659-11eb-83e2-e09467587c17)NessusFreeBSD Local Security Checks
critical
146061Google Chrome < 88.0.4324.146 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
critical
146060Google Chrome < 88.0.4324.146 Multiple VulnerabilitiesNessusWindows
critical